When provided by an order issued in accordance with § 261.50 of this subpart, the following are prohibited on a National Forest System trail:
(a) Being on a trail.
(b) Using any type of vehicle prohibited by the order.
(c) Use by any type of traffic or mode of transport prohibited by the order.
(d) Operating a vehicle in violation of the width, weight, height, length, or other limitations specified by the order.
(e) Shortcutting a switchback in a trail.
[55 FR 25832, June 25, 1990, as amended at 69 FR 41965, July 13, 2004; 70 FR 68291, Nov. 9, 2005]